RE: Welcome to Club SAITO !
I have the Great Planes Super Stearman with the Saito 170R3 in it and it is great. Been flying for about a year and you can see progress and some tips from me and other on the Super Stearman posts. The Keleo muffler makes it sound awesome and keeps most of the oil off the aircraft. The gas tank centers to the engine so fuel flow seems to be okay even in rocket mode.
enjoy...
jimm